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Principal-Only Stripped Mortgage-Backed Securities (Tables)
9 Months Ended
Sep. 30, 2025
Principal-Only Stripped Mortgage-Backed Securities  
Summary of principal-only stripped MBS

Following is a summary of activity in the Company’s investment in principal-only stripped MBS:

Quarter ended September 30, 

Nine months ended September 30, 

2025

2024

2025

2024

(in thousands)

Balance at beginning of period

$

784,958

$

914,223

$

825,865

$

Purchases

935,356

Repayments

(34,991)

(23,054)

(119,258)

(36,506)

Changes in fair value included in income arising from:

Accrual of purchase discounts

13,642

20,129

31,676

29,219

Valuation adjustments

10,412

48,969

35,738

32,198

24,054

69,098

67,414

61,417

Balance at end of period

$

774,021

$

960,267

$

774,021

$

960,267

Following is a summary of the Company’s investment in principal-only stripped MBS:

September 30, 

December 31, 

2025

2024

(in thousands)

Principal balance

$

942,225

$

1,061,484

Unearned discount

(165,742)

(197,418)

Cumulative valuation change

(2,462)

(38,201)

Fair value

$

774,021

$

825,865

Fair value of principal-only stripped mortgage-backed securities pledged to secure Assets sold under agreements to repurchase

$

774,021

$

825,865